31249-96-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31249-96-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,4 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 31249-96:
(7*3)+(6*1)+(5*2)+(4*4)+(3*9)+(2*9)+(1*6)=104
104 % 10 = 4
So 31249-96-4 is a valid CAS Registry Number.